100 HOG CHOLEKA 



septic solution and containing a hole through 

 which the tail protrudes, is thrown over the body. 

 Thus prepared, the animal is ready for the bleed- 

 ing room. 



Bleeding is accomplished with vacuum which 

 hastens the process and retards coagulation. The 

 essential bleeding unit consists of a curved metal 

 horn, one end armed with a fitting which receives 

 the mouth of a two-quart fruit jar, forming an air 

 tight joint, and the other consisting of a round 

 or oval-shaped opening presenting a moderately 

 broad surface to be pressed firmly against the skin 

 surrounding the tail, which member the horn en- 

 closes. Communicating with the interior of the 

 unit is a tube which, continued with rubber tubing, 

 connects with a pipe leading to a vacuum tank. 

 Somewhere in the line is a turncock so situated 

 that vacuum may be employed or released at will, 

 and between this and the bleeding unit is an intake 

 valve fitted with a small cup containing carbolized 

 cotton through which air must pass to release the 

 vacuum remaining in the unit when bleeding is 

 completed and the turncock is closed, severing 

 connection with the vacuum tank. A vacuum indi- 

 cator is inserted in the line between the tank and 

 the turncock. 



The operator grasps the tail, disinfects it thor- 

 oughly, and dries it with alcohol. Then with 

 shears designed especially for the purpose an inch 



